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Old 15th May 2009, 01:34 PM   #1
777funk is offline 777funk  United States
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Default 24 bit DAC and ADC questions - What are you using and liking?

I am looking to update some ADC and DACs. I've got the following:

ADC = CD4053BCM
DAC = Crystal CS4223 - KS

These are old and outdated and need to be replaced. I suppose if I change the ADC above which is a Multiplexer I may also need to change the clock.

Looking for any input on what's current. This is in a 24 bit audio situation.
thanks!!
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Old 15th May 2009, 04:07 PM   #2
777funk is offline 777funk  United States
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I just spoke with Cyrus about the Crystal DAC and they said the
CS4223 was updated to CS4270.

However I have no idea if it's a pin for pin chip swap or if the clock will work etc. etc. Is there an easy way to find this information?
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Old 15th May 2009, 04:37 PM   #3
FdW is offline FdW  Netherlands
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777funk,

As stated in another thread 'A few weeks ago I did order the A/D converter kit from Uwe Beis, AD24QS - Audio Analog to Digital Converter 24 Bit / 192 kHz'

But this will take until the end of next month before it is going to sing, I let you know.

Regards,
Frans.

P.s. The electronics if finished, except for the ADC, and the box has arrived, you can see pictures at http://www.flickr.com/photos/fransde...7618193792112/

P.s. The box was made by http://www.modu.it
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Old 15th May 2009, 09:37 PM   #4
777funk is offline 777funk  United States
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I'm completely an analog guy (mostly tubes some opamps etc) and new to digital audio so please forgive me...

but an ADC is a shift register and a clock is that right or am I off?


And a DAC is an all in one package usually. Am I accurate in saying that? Is it also tied to the same clock as the ADC?


So, in the event of upgrading DAC's and ADC's what am I looking for?


Do I upgrade the clock? Seems like we're at 192khz now which we didn't see back in the late 90's is that right?

If I upgrade the clock do I need to upgrade the rest of the DAC and ADC? Are there direct swaps for the parts I mentioned or is there more to it than that.

Sorry if I'm leaving any holes in my logic. I'm trying to put all the pieces together here.

Thanks!
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Old 16th May 2009, 01:07 PM   #5
777funk is offline 777funk  United States
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